//
//  Country.m
//  08-HomeWork
//
//  Created by dllo on 16/7/13.
//  Copyright © 2016年 daming. All rights reserved.
//

#import "Country.h"

@implementation Country
// 让代理人执行协议方法
- (void)dangerous {
    if (self.delegate != nil && [self.delegate respondsToSelector:@selector(saveEarth)]) {
        [self.delegate saveEarth];
    }

}
@end
